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Static variables belong to a class.

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Fields belong to an object, but static variables belong to the class.

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In this lesson, you're going to learn about static variables.

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First things first in your Java Bootcamp resources, open up the folder for this lesson by following

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this path.

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All right, a static variable, as we just said, belongs to the class, a static variable does not

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belong to an object.

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The employee class models to fields and has one static variable.

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Each employee object that we create from the employee class has different values for name and position.

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But the number of employees hired to relate to the class, not objects of the class.

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Inside main Java create three objects of the employee class.

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I'll create an employee called Zack, new employee.

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We'll make him a programmer.

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Or create another one named Geo.

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Analyst.

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And let's say Thomas.

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Specialist.

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All right, your task is to count how many employees were hired, the number of employees hired relates

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to the class, not objects of the class.

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So inside employee class create a static integer variable called hired count.

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Every time we create a new object of the employee class, we're going to update hired count by one.

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And because a static variable belongs to the class, you can access it directly from the class type.

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We're going to print the number of employees we hired employee hired count.

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Run the code.

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And the number of employees hired is three.

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The output is more interesting with breakpoints, I'm out of Breakpoint next to each object launched

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the debugger.

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I'll step into the constructor for the first object.

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The constructor updates every field in the object.

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And it updates the static variable.

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Notice that the static variable is not a member of the object the Zach object defines to Field's name

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and position, the static variable belongs to the class.

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And right now, it equals one.

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I'll step into the constructor for the constructor, updates every field in the object.

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And it updates the static variable to two.

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The Jobs Act defines Namen position, but the static variable which belongs to the class now equals

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to.

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I'll step into the constructor for Thomas.

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The constructor updates every field.

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And it updates the static variable to three.

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Each object defines a unique name and position.

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But hired count is a member of the employee class, and that equals three.

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Let's recap, a static variable belongs to the class, in other words, a static variable relates to

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the class, not objects of the class.